diff --git a/sbin/devd/devd.conf.5 b/sbin/devd/devd.conf.5
index 61643a7afe3f..e4dea72fd317 100644
--- a/sbin/devd/devd.conf.5
+++ b/sbin/devd/devd.conf.5
@@ -283,7 +283,7 @@ Hub port number (USB)
 Product ID (pccard/USB).
 .It Li release
 Hardware revision (USB)
-.It Li serial
+.It Li sernum
 Serial Number (USB).
 .It Li slot
 Card slot.